/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef ARKCORE_MAP_INSTANCED_H
#define ARKCORE_MAP_INSTANCED_H

#include "Map.h"
#include "InstanceSaveMgr.h"
#include "DBCEnums.h"

class MapInstanced: public Map
{
    friend class MapManager;
public:
    typedef UNORDERED_MAP< uint32, Map* > InstancedMaps;

    MapInstanced(uint32 id, time_t expiry);
    ~MapInstanced()
    {}

    // functions overwrite Map versions
    void Update(const uint32&);
    void DelayedUpdate(const uint32 diff);
    //void RelocationNotify();
    void UnloadAll();
    bool CanEnter(Player* player);

    Map* CreateInstance(const uint32 mapId, Player * player);
    Map* FindMap(uint32 InstanceId) const
    {   return _FindMap(InstanceId);}
    bool DestroyInstance(InstancedMaps::iterator &itr);

    void AddGridMapReference(const GridPair &p)
    {
        ++GridMapReference[p.x_coord][p.y_coord];
        SetUnloadReferenceLock(GridPair(63-p.x_coord, 63-p.y_coord), true);
    }

    void RemoveGridMapReference(GridPair const& p)
    {
        --GridMapReference[p.x_coord][p.y_coord];
        if (!GridMapReference[p.x_coord][p.y_coord])
        SetUnloadReferenceLock(GridPair(63-p.x_coord, 63-p.y_coord), false);
    }

    InstancedMaps &GetInstancedMaps()
    {   return m_InstancedMaps;}
    virtual void InitVisibilityDistance();

private:

    InstanceMap* CreateInstance(uint32 InstanceId, InstanceSave *save, Difficulty difficulty);
    BattlegroundMap* CreateBattleground(uint32 InstanceId, Battleground* bg);

    InstancedMaps m_InstancedMaps;

    Map* _FindMap(uint32 InstanceId) const
    {
        InstancedMaps::const_iterator i = m_InstancedMaps.find(InstanceId);
        return(i == m_InstancedMaps.end() ? NULL : i->second);
    }

    uint16 GridMapReference[MAX_NUMBER_OF_GRIDS][MAX_NUMBER_OF_GRIDS];
};
#endif
